Home / 4,659.28-6,429.64-2,563.40

Finding the Fourth Proportional to 4,659.28, 6,429.64 and 2,563.40

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Solution

The fourth proportional to 4,659.28, 6,429.64 and 2,563.40 is: 3,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.28 : 6,429.64 = 2,563.40 : x
  2. Step 2: Convert to fraction form
    4,659.28/6,429.64 = 2,563.40/x
  3. Step 3: Cross multiply
    4,659.28x = 6,429.64 × 2,563.40
  4. Step 4: Simplify right side
    4,659.28x = 16,481,739.18
  5. Step 5: Solve for x
    x = 16,481,739.18/4,659.28
  6. Step 6: Final answer
    x = 3,537.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.